Dragon!: Book Two: "Revenge"

Book two of the DRAGON! series. After thirty years of peaceful living on Bitters Island Gareth is struck down, his mind attacked, and he is nearly killed. His father is also attacked and found dead but he managed to send Gareth one last message of warning. Gareth and his black dragon sail to the mainland and find what has happened. There they discover a warped mind every bit as powerful as Gareth and the foe who is after Gareth--and everyone else. He must go after the very source of all mental powers, to the head of the Brotherhood. Gareth must make an alliance with the Brotherhood, Sisterhood, and the King. To complicate matters more, Gareth finds his Grandson has powers equal to, or greater, than his.